Actually - to clarify - on the schematic the pins are numbered A-E, but the 'connectors' are labelled B-F (J140B is pins A1-A40) etc. Is there a good reason for this rather confusing nomenclature? Wookey -- Aleph One Ltd, Bottisham, CAMBRIDGE, CB5 9BA, UK Tel +44 (0) 1223 811679 work: http://www.aleph1.co.uk/ play: http://www.chaos.org.uk/~wookey/